src/libstd/collections/hash/mod.rs

   1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 //! Unordered containers, implemented as hash-tables
  12
  13 mod bench;
  14 mod table;
  15 pub mod map;
  16 pub mod set;
  17
  18 trait Recover<Q: ?Sized> {
  19     type Key;
  20
  21     fn get(&self, key: &Q) -> Option<&Self::Key>;
  22     fn take(&mut self, key: &Q) -> Option<Self::Key>;
  23     fn replace(&mut self, key: Self::Key) -> Option<Self::Key>;
  24 }